Re: address spoofing

[Andrew Brown <twofsonet () graffiti com>]

> > Furthermore, whether the RFC [1918] says so or not, I'm going to block
> > these packets at *my* border routers, because:
>
> Curious as to the cost (added latency) in doing RFC 1918 source address
> filtering on all packets in the context of cost-benfit analysis.

on a router that's not doing filtering, it's going to be a small hit.
i'm going to infer, however, that any router that's not doing
filtering is probably not doing much traffic.  and any router that is
doing a lot of traffic, is already doing filtering.  so it's less of a
hit.

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